aws-solution-architect

Design AWS architectures for startups using serverless patterns and IaC templates. Use when asked to design serverless architecture, create CloudFormation templates, optimize AWS costs, set up CI/CD pipelines, or migrate to AWS. Covers Lambda, API Gateway, DynamoDB, ECS, Aurora, and cost optimization.

Install with Tessl CLI

npx tessl i github:alirezarezvani/claude-skills --skill aws-solution-architect

What are skills?

1.24x

Quality

92%

Does it follow best practices?

Impact

81%

1.24x

Average score across 6 eval scenarios

SKILL.md

Review

Evals

Evaluation results

90%

64%

Serverless Backend Infrastructure for a Founder's MVP

Serverless IaC generation with scripts

Criteria

Without context

With context

Uses architecture_designer.py

100%

Uses serverless_stack.py

100%

DynamoDB PAY_PER_REQUEST

100%

DynamoDB PK+SK schema

100%

Lambda nodejs18.x runtime

100%

Lambda 512 MB memory

100%

Lambda 10s timeout

100%

IAM least privilege

100%

DynamoDB KMS encryption

50%

Cognito password policy

25%

CloudWatch log retention

100%

Serverless pattern selected

100%

Without context: $0.6377 · 3m 20s · 25 turns · 30 in / 12,585 out tokens

With context: $0.8615 · 2m 31s · 25 turns · 354 in / 7,768 out tokens

86%

AWS Cost Reduction for a Growing Startup

Cost optimization analysis and recommendations

Criteria

Without context

With context

Uses cost_optimizer.py

100%

Right-size low-CPU downsize

100%

Right-size high-CPU scale-out

S3 lifecycle to STANDARD_IA at 30 days

87%

100%

S3 lifecycle to GLACIER at 90 days

87%

100%

S3 lifecycle expiration at 365 days

83%

NAT Gateway replacement recommendation

100%

CloudWatch log retention

100%

Savings Plans recommendation

100%

Monthly cost breakdown

100%

Priority action list

100%

Without context: $0.5111 · 3m 47s · 15 turns · 18 in / 10,912 out tokens

With context: $1.0312 · 4m 53s · 28 turns · 6,379 in / 14,651 out tokens

97%

13%

Security Hardening for a FinTech Platform Preparing for SOC 2

Security hardening and IAM least privilege

Criteria

Without context

With context

IAM no wildcard actions

50%

100%

IAM no wildcard resources

30%

70%

KMS encryption on data stores

100%

Secrets Manager for credentials

100%

WAF rate-limit rule

100%

WAF managed rule set

100%

CloudTrail multi-region

100%

CloudTrail log validation

100%

DynamoDB VPC endpoint

100%

Secrets Manager VPC endpoint

100%

Cognito 12-char min password

100%

Cognito MFA enabled

50%

100%

Without context: $1.1764 · 6m 40s · 30 turns · 78 in / 24,403 out tokens

With context: $1.7528 · 6m 32s · 33 turns · 7,050 in / 25,983 out tokens

72%

Global Availability Architecture for a Healthcare SaaS Platform

Multi-region high availability architecture

Criteria

Without context

With context

Requirements gathered first

100%

Route 53 health check configured

100%

Route 53 failover record set

50%

30%

DynamoDB Global Tables

S3 cross-region replication

100%

Multi-region cost expectation

30%

60%

Architecture ASCII diagram

100%

Pattern rationale provided

100%

IaC template produced

100%

Uses architecture_designer.py

57%

Validation checkpoint confirmed

28%

71%

Without context: $1.5538 · 7m 19s · 31 turns · 38 in / 34,158 out tokens

With context: $2.2900 · 6m 47s · 36 turns · 25,890 in / 27,334 out tokens

68%

-4%

Containerized Platform Migration with Zero-Downtime Deployments

ECS Fargate auto-scaling and blue/green deployments

Criteria

Without context

With context

ECS TargetTrackingScaling policy

100%

CPU utilization metric

100%

CPU target value 70

Scale-in cooldown 300s

Scale-out cooldown 60s

100%

Min/Max task capacity

50%

Blue/Green deployment type

100%

Blue/Green terminate wait

100%

CDK TypeScript used

100%

Three-tier service stack

100%

ECS scalable dimension

100%

Uses architecture_designer.py

66%

Without context: $0.5070 · 2m 59s · 21 turns · 65 in / 9,874 out tokens

With context: $2.0538 · 6m 53s · 44 turns · 8,815 in / 23,318 out tokens

77%

Reliable Payment Webhook Processor

Lambda idempotency and stateless design

Criteria

Without context

With context

No function-level state

60%

100%

External state storage

100%

Idempotency key via hashing

20%

Idempotency DynamoDB check

70%

80%

Idempotency result stored with TTL

50%

60%

SDK initialized outside handler

100%

API handler timeout 10-30s

100%

Async processor timeout 60-300s

VPC avoidance noted

87%

Secrets Manager for credentials

100%

Step Functions for long workflows

100%

DynamoDB PAY_PER_REQUEST

100%

Without context: $0.5204 · 3m 54s · 21 turns · 28 in / 10,014 out tokens

With context: $1.5686 · 5m 17s · 35 turns · 38 in / 17,903 out tokens

Evaluated: 1 day ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Serverless Backend Infrastructure for a Founder's MVP AWS Cost Reduction for a Growing Startup Security Hardening for a FinTech Platform Preparing for SOC 2 Global Availability Architecture for a Healthcare SaaS Platform Containerized Platform Migration with Zero-Downtime Deployments Reliable Payment Webhook Processor

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